State of the Planet

News from the Columbia Climate School

climate change128

  • Open House: Earth Institute Graduate Programs

    The Environmental and Sustainable Development Programs Open House is a wonderful opportunity for you to find out more about Columbia’s cutting-edge graduate degrees in sustainable development and environmental studies. We invite you to come explore our diverse offering of programs, have your application questions answered, and meet with current Columbia students and faculty. Attend the…

  • New Public Outreach Prize Goes to Earth Institute Climatologist

    New Public Outreach Prize Goes to Earth Institute Climatologist

    A major new international prize for public communication on climate-change issues has been awarded to Gavin Schmidt of the Earth Institute-affiliated NASA Goddard Institute for Space Studies. The $25,000 Climate Communications Prize was announced today by the American Geophysical Union (AGU), the world’s largest organization of earth and space scientists. Schmidt, an influential climate modeler who has authored more than…

  • Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Beginning in Niger in the 1980s, Tony Rinaudo, an African aid missionary, began working with farmers to develop a new approach to reforesting degraded landscape. The practice he developed involved selective pruning of shrub shoots to a main stem, which was then pruned of its lower leaves and branches. Within a few years, new woodlands…

  • Climate News Roundup: Week of 10/09

    Climate News Roundup: Week of 10/09

    Nations Heading to Durban Climate Talks Remain Deeply Divided, Oct 10, New York Times U.N. climate chief Christiana Figueres lauded a climate change meeting in Panama as “good progress” this weekend, even as environmental activists warned that the world’s only structure for curbing greenhouse gas emissions appears about to crumble. The next time diplomats meet,…

  • 8 Ways to Look at 7 Billion

    8 Ways to Look at 7 Billion

    Interested in learning more about the world’s population? Here are some recent articles about the history, context and implications of 7 billion people living on earth.

  • The 7 Billion Challenge

    The 7 Billion Challenge

    The rapid rise in the world’s population to 7 billion — from 6 billion a dozen years ago — poses enormous challenges. In this video, Earth Institute Director Jeffrey D. Sachs talks about the stresses our population already puts on the planet, and the mission of the institute to promote sustainable development.

  • News Roundup: Week of 9/25

    News Roundup: Week of 9/25

    Climate Change and the Exodus of Species, New York Times, Sept 26 A team of scientists from the University of York examined the movement of 2,000 animal and plant species over the past decade. According to their study, published in Science last month, in their exodus from increasing heat, species have moved, on average, 13.3…

  • New Salt Map of Seas Gives Scientists Taste of Discoveries Ahead

    After less than a month in operation, a new NASA satellite has produced the first map showing how saltiness varies across the surface of the world’s oceans. Salt influences how seawater and heat move around the globe and also tells oceanographers how much rain and evaporation is happening at the surface. Until now, salt measurements…

  • Can Canadian Water Slake America’s Need for Power?

    Can Canadian Water Slake America’s Need for Power?

    At a time when the world is abuzz with talk of reducing carbon dioxide emissions to stem the tide of climate change, Canada’s surfeit of hydropower production appears an attractive option to people south of the border who still rely on fossil fuel-generated electricity.

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • Open House: Earth Institute Graduate Programs

    The Environmental and Sustainable Development Programs Open House is a wonderful opportunity for you to find out more about Columbia’s cutting-edge graduate degrees in sustainable development and environmental studies. We invite you to come explore our diverse offering of programs, have your application questions answered, and meet with current Columbia students and faculty. Attend the…

  • New Public Outreach Prize Goes to Earth Institute Climatologist

    New Public Outreach Prize Goes to Earth Institute Climatologist

    A major new international prize for public communication on climate-change issues has been awarded to Gavin Schmidt of the Earth Institute-affiliated NASA Goddard Institute for Space Studies. The $25,000 Climate Communications Prize was announced today by the American Geophysical Union (AGU), the world’s largest organization of earth and space scientists. Schmidt, an influential climate modeler who has authored more than…

  • Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Beginning in Niger in the 1980s, Tony Rinaudo, an African aid missionary, began working with farmers to develop a new approach to reforesting degraded landscape. The practice he developed involved selective pruning of shrub shoots to a main stem, which was then pruned of its lower leaves and branches. Within a few years, new woodlands…

  • Climate News Roundup: Week of 10/09

    Climate News Roundup: Week of 10/09

    Nations Heading to Durban Climate Talks Remain Deeply Divided, Oct 10, New York Times U.N. climate chief Christiana Figueres lauded a climate change meeting in Panama as “good progress” this weekend, even as environmental activists warned that the world’s only structure for curbing greenhouse gas emissions appears about to crumble. The next time diplomats meet,…

  • 8 Ways to Look at 7 Billion

    8 Ways to Look at 7 Billion

    Interested in learning more about the world’s population? Here are some recent articles about the history, context and implications of 7 billion people living on earth.

  • The 7 Billion Challenge

    The 7 Billion Challenge

    The rapid rise in the world’s population to 7 billion — from 6 billion a dozen years ago — poses enormous challenges. In this video, Earth Institute Director Jeffrey D. Sachs talks about the stresses our population already puts on the planet, and the mission of the institute to promote sustainable development.

  • News Roundup: Week of 9/25

    News Roundup: Week of 9/25

    Climate Change and the Exodus of Species, New York Times, Sept 26 A team of scientists from the University of York examined the movement of 2,000 animal and plant species over the past decade. According to their study, published in Science last month, in their exodus from increasing heat, species have moved, on average, 13.3…

  • New Salt Map of Seas Gives Scientists Taste of Discoveries Ahead

    After less than a month in operation, a new NASA satellite has produced the first map showing how saltiness varies across the surface of the world’s oceans. Salt influences how seawater and heat move around the globe and also tells oceanographers how much rain and evaporation is happening at the surface. Until now, salt measurements…

  • Can Canadian Water Slake America’s Need for Power?

    Can Canadian Water Slake America’s Need for Power?

    At a time when the world is abuzz with talk of reducing carbon dioxide emissions to stem the tide of climate change, Canada’s surfeit of hydropower production appears an attractive option to people south of the border who still rely on fossil fuel-generated electricity.